| SPShannon Precision Fastener | Madison Heights | MI | Fabricated Metal Product Manufacturing332111 | — | ◇ UNVERIFIED |
| S1Shape 1820 | Grand Haven | MI | Fabricated Metal Product Manufacturing332114 | — | ◇ UNVERIFIED |
| SISimonds International CORP | Big Rapids | MI | Fabricated Metal Product Manufacturing332212 | — | ◇ UNVERIFIED |
| SMSmw Mfg Amsted Automotive Group-belleville | Belleville | MI | Fabricated Metal Product Manufacturing332722 | — | ◇ UNVERIFIED |
Steel Industries Plant 1 | Detroit | MI | Fabricated Metal Product Manufacturing332111 | — | ◇ UNVERIFIED |
Steel Industries Plant 4 | Redford | MI | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| TBTaylor Building Products INC | West Branch | MI | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| TTThe Toro Company | Iron Mountain | MI | Fabricated Metal Product Manufacturing332311 | — | ◇ UNVERIFIED |
| TTTip Top Screw | Oscoda | MI | Fabricated Metal Product Manufacturing332722 | — | ◇ UNVERIFIED |
| TATrw Automotive | Fenton | MI | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| WIWoodworth INC. Flint | Flint | MI | Fabricated Metal Product Manufacturing332811 | — | ◇ UNVERIFIED |
Bernada LLC | Farmington Hills | MI | Fabricated Metal Product Manufacturing332710 | — | ▲ REPORTED CLOSED |
Boss Electro Static, INC. | Grand Rapids | MI | Fabricated Metal Product Manufacturing332812 | — | ◐ LIKELY ACTIVE |
| BPBulman Products INC | Grand Rapids | MI | Fabricated Metal Product Manufacturing332119 | — | ◐ LIKELY ACTIVE |
| CFCadillac Fabrication INC | Cadillac | MI | Fabricated Metal Product Manufacturing332312 | — | ◐ LIKELY ACTIVE |
| CSCasadei Structural Steel Inc. | Sterling Heights | MI | Fabricated Metal Product Manufacturing332312 | 20-99 | ◐ LIKELY ACTIVE |
| CCCast Coatings | Galien | MI | Fabricated Metal Product Manufacturing332812 | 20-99 | ◐ LIKELY ACTIVE |
| CEClark Engineering Company | Owosso | MI | Primary Metal Manufacturing331221 | 20-99 | ◐ LIKELY ACTIVE |
| CPCobra Patterns and Models, INC. | Madison Heights | MI | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
Dickie Machine LLC | Lincoln Park | MI | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| EMEdwards Machining INC | Jackson | MI | Fabricated Metal Product Manufacturing332721 | 20-99 | ◐ LIKELY ACTIVE |
Fitz-rite Products INC | Troy | MI | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| FCFriction Coating CORP | Clinton Township | MI | Nonmetallic Mineral Product Manufacturing327910 | 1-19 | ◐ LIKELY ACTIVE |
| GMGaishin Manufacturing, LLC | Benton Harbor | MI | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| HFHighpoint Finishing Solutions INC | Zeeland | MI | Fabricated Metal Product Manufacturing332813 | 20-99 | ◐ LIKELY ACTIVE |
| IPIbc Precision INC | Auburn Hills | MI | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| JAJay and Kay Manufacturing LLC | Croswell | MI | Fabricated Metal Product Manufacturing332312 | — | ◐ LIKELY ACTIVE |
Kpm Precision LLC | Lowell | MI | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
Little Buildings INC | Romeo | MI | Fabricated Metal Product Manufacturing332311 | — | ◐ LIKELY ACTIVE |
| MSMacomb Sheet Metal INC | Clinton Township | MI | Fabricated Metal Product Manufacturing332322 | — | ◐ LIKELY ACTIVE |
Manik Manufacturing LLC | Troy | MI | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
Metalbuilt LLC | Chesterfield | MI | Fabricated Metal Product Manufacturing332322 | — | ◐ LIKELY ACTIVE |
M & M Automatic Products INC | Jackson | MI | Fabricated Metal Product Manufacturing332721 | — | ◐ LIKELY ACTIVE |
| MMMs Metal Solutions | Grand Haven | MI | Fabricated Metal Product Manufacturing332116 | 100-499 | ◐ LIKELY ACTIVE |
| PSProduction Saw and Machine | Clark Lake | MI | Fabricated Metal Product Manufacturing332710 | 100-499 | ◐ LIKELY ACTIVE |
| RCRainbow Coatings of Michigan | Flint | MI | Fabricated Metal Product Manufacturing332812 | — | ◐ LIKELY ACTIVE |
Rite Tool INC | Sterling Heights | MI | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
S Custom Welds, LLC | Marysville | MI | Fabricated Metal Product Manufacturing332313 | — | ◐ LIKELY ACTIVE |
| SDSterling Die & Engineering INC | Macomb | MI | Fabricated Metal Product Manufacturing332116 | 20-99 | ◐ LIKELY ACTIVE |
| TLThe Lincoln Electric Company - Macomb | Macomb | MI | Fabricated Metal Product Manufacturing332710 | 100-499 | ◐ LIKELY ACTIVE |
Tritegrity Machine, LLC | Ironwood | MI | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| UIUltraform Industries | Romeo | MI | Fabricated Metal Product Manufacturing332618 | 20-99 | ◐ LIKELY ACTIVE |
| ICIndustrial Coating INC | Bridgeport | MI | Fabricated Metal Product Manufacturing332812 | — | ◐ LIKELY ACTIVE |
| AAmerikam | Grand Rapids | MI | Fabricated Metal Product Manufacturing332721 | — | ◇ UNVERIFIED |
| APAsp Plating Company | Grand Haven | MI | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| BIBurkard Industries INC. | Clinton Township | MI | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| CPClassic Plating INC | Redford | MI | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| CFCorson Fabricating LLC | Saint Clair | MI | Fabricated Metal Product Manufacturing332618 | — | ◇ UNVERIFIED |
| FMFettes Mfg CO INC | Sterling Heights | MI | Fabricated Metal Product Manufacturing332721 | — | ◇ UNVERIFIED |
| GGGonzalez Group LLC | Litchfield | MI | Fabricated Metal Product Manufacturing332721 | — | ◇ UNVERIFIED |